technology

Advanced hashing algorithms

August 5, 2026 by Sudhir K. Routray

Advanced hashing algorithms (AHAs) are crucial for modern cryptography. They can ensure data integrity, security, and efficient data management. In this article, we explore key aspects of these algorithms, including their fundamental principles, diverse applications, and ongoing research challenges. We delve into the intricacies of cryptographic hash functions, highlighting … [Read more...] about Advanced hashing algorithms

Science, engineering, technology, and culture

October 14, 2022 by Rafael Quintero-Bermúdez

The purpose of this article is to provide an explanation for a paradoxical phenomenon that we observe on a daily basis—that is, the coexistence of sublime understanding and absurd ignorance. We would also like to discuss why we question our prejudices so rarely; why, after so much evidence in favor of scientific work, we tend to have more confidence in polls and opinions; why … [Read more...] about Science, engineering, technology, and culture

Privacy-preserving distributed learning: Techniques, applications, and future challenges

The rapid increase in data generated by connected devices has created a pressing need for privacy-preserving techniques in distributed learning. This article examines methods that enable collaborative machine learning (ML) while maintaining data security and user privacy. Key approaches such as federated learning (FL), differential privacy (DP), secure multiparty computation (SMPC), and homomorphic encryption (HE) are analyzed for their unique capabilities and various applications. FL facilitates model training across decentralized data sources, ensuring data remain local, while DP mitigates privacy risks by adding controlled noise. SMPC and HE support secure computations on encrypted data, maintaining confidentiality during processing. Despite their effectiveness, these techniques face challenges related to computational complexity, scalability, and regulatory compliance. The article reviews current advancements, practical implementations, and future directions, emphasizing the need for optimized, accessible solutions to enhance data security in distributed systems.

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